opendrive 0.1.0+1.7.0

use crate::core::additional_data::AdditionalData;
use crate::road::geometry::Geometry;
use std::borrow::Cow;
use vec1::Vec1;

/// Contains geometry elements that define the layout of the road reference line in the x/y-plane
/// (plan view).
#[derive(Debug, Clone, PartialEq)]
pub struct PlanView {
    pub geometry: Vec1<Geometry>,
    pub additional_data: AdditionalData,
}

impl PlanView {
    pub fn visit_attributes(
        &self,
        visitor: impl for<'b> FnOnce(
            Cow<'b, [xml::attribute::Attribute<'b>]>,
        ) -> xml::writer::Result<()>,
    ) -> xml::writer::Result<()> {
        visit_attributes!(visitor)
    }

    pub fn visit_children(
        &self,
        mut visitor: impl FnMut(xml::writer::XmlEvent) -> xml::writer::Result<()>,
    ) -> xml::writer::Result<()> {
        for geometry in &self.geometry {
            visit_children!(visitor, "geometry" => geometry);
        }

        self.additional_data.append_children(visitor)
    }
}

impl<'a, I> TryFrom<crate::parser::ReadContext<'a, I>> for PlanView
where
    I: Iterator<Item = xml::reader::Result<xml::reader::XmlEvent>>,
{
    type Error = Box<crate::parser::Error>;

    fn try_from(mut read: crate::parser::ReadContext<'a, I>) -> Result<Self, Self::Error> {
        let mut geometry = Vec::new();
        let mut additional_data = AdditionalData::default();

        match_child_eq_ignore_ascii_case!(
            read,
            "geometry" true => Geometry => |v| geometry.push(v),
            _ => |_name, context| additional_data.fill(context),
        );

        Ok(Self {
            geometry: Vec1::try_from_vec(geometry).unwrap(),
            additional_data,
        })
    }
}

#[cfg(feature = "fuzzing")]
impl arbitrary::Arbitrary<'_> for PlanView {
    fn arbitrary(u: &mut arbitrary::Unstructured) -> arbitrary::Result<Self> {
        Ok(Self {
            geometry: {
                let mut vec1 = Vec1::new(u.arbitrary()?);
                vec1.extend(u.arbitrary::<Vec<_>>()?);
                vec1
            },
            additional_data: u.arbitrary()?,
        })
    }
}